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How to Use Em Dashes (–), En Dashes (–), and Hyphens (-)

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650 points Stratoscope | 1 comments | 27 Mar 25 20:19 UTC | HN request time: 1.873s | source
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A_D_E_P_T ◴[27 Mar 25 20:41 UTC] No.43497927[source]▶
AFAIK most computer keyboards don't have em dashes. Rather than hit ALT+0151 every time, I've always just strung along two hyphens, like: --

Absolutely proper and correct use of em dashes, en dashes, and hyphens is, to me, the most obvious tell of the LLM writer. In fact, I think that you can use it to date internet writing in general. For it seems to me that real em dashes were uncommon pre-2022.

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BalinKing ◴[27 Mar 25 21:06 UTC] No.43498177[source]▶
This test feels biased by the fact that, like others have said, macOS provides keyboard shortcuts. For example, I'm only Gen Z and yet have tried for many years to use the proper dash characters in the right places, which is made much easier by virtue of being on a Mac.

Of course, I guess it's entirely possible—even accounting for OS—that this test remains statistically useful. It makes me kinda sad that my (very much human-generated) writing fails the Turing test....

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harrall ◴[27 Mar 25 22:11 UTC] No.43498774[source]▶
On iPhone, type two hyphens to make an em dash:

-- into —

If OP wrote their post on an iPhone, they would have inadvertently appeared as an LLM by their own test.

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1. wruza ◴[28 Mar 25 01:38 UTC] No.43500462[source]▶
I hate that this feature doesn't have a timeout, so when you want to type "--" you have to "- -" and then go back and delete the space. You can't just wait as with double-space vs space-wait-space. It can be turned off, but that turns off other locale-based punctuation like quotes.